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leva [86]
3 years ago
13

Hi! Can I have some help on this math question...

Mathematics
2 answers:
Inessa [10]3 years ago
8 0

Answer:

β = 22.5°

Step-by-step explanation:

In a triangle, the sum of interior angles must add up to 180°.

Since the angle marked with corners is equal to 90°, we can write an equation to solve for β.

3β + β + 90° = 180°

4β = 180° - 90°

4β = 90°

β = 90° / 4

β = 22.5°

Bond [772]3 years ago
6 0

Answer:

T is equal to R

Hope this helps.....

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Eva8 [605]

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Answer:

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Step-by-step explanation:

We have been given that the manufacturing of a ball bearing is normally distributed with a mean diameter of 22 millimeters and a standard deviation of .016 millimeters. To be acceptable the diameter needs to be between 21.97 and 22.03 millimeters.

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Let us find z-score of data point 22.03.

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P(-0.1875

P(-0.1875  

P(-0.1875

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